Start with high-confidence taoist thought books, then narrow by subgenre or adjacent topics.
The Chinese Translations: the Works of Witter Bynner
Witter Bynner
The Way of Chuang Tzu
Thomas Merton, Dalai Lama XIV
The Path
Michael Puett, Christine Gross-Loh
Taoism
Eva Wong
The Art of War & Other Classics of Eastern Philosophy
Sun Tzu, Lao-Tzu
Laozi's Dao De Jing
Laozi, Ken Liu
The Bamboo Texts of Guodian
Scott Cook, Scott Bradley Cook
Tao Te Ching
Lao-Tse
Tao Te King
Sayings of Lao Tzu
Lao Tzu